20312127

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:195

約数の個数: 56

約数和(自身を含む): 35413200

約数和(自身を除く): 15101073

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 149, 153, 187, 243, 297, 447, 459, 561, 729, 891, 1341, 1377, 1639, 1683, 2533, 2673, 4023, 4131, 4917, 5049, 7599, 8019, 12069, 12393, 14751, 15147, 22797, 27863, 36207, 44253, 45441, 68391, 83589, 108621, 132759, 136323, 205173, 250767, 398277, 615519, 752301, 1194831, 1846557, 2256903, 6770709, 20312127]

約数ペア:

[(1, 20312127), (3, 6770709), (9, 2256903), (11, 1846557), (17, 1194831), (27, 752301), (33, 615519), (51, 398277), (81, 250767), (99, 205173), (149, 136323), (153, 132759), (187, 108621), (243, 83589), (297, 68391), (447, 45441), (459, 44253), (561, 36207), (729, 27863), (891, 22797), (1341, 15147), (1377, 14751), (1639, 12393), (1683, 12069), (2533, 8019), (2673, 7599), (4023, 5049), (4131, 4917)]